OPCA Publications & Reports
OPCA writes and publishes a variety of research and policy analyses. Our public documents are arranged below by category.
Regulatory Analyses
Neonicotinoids
- Economic and pest management evaluation of proposed regulation of nitroguanidine-substituted neonicotinoid insecticides: eight major California commodities July 2021
- Economic and pest management evaluation of nitroguanidine-substituted neonicotinoid insecticides: eight major California commodities
- Economic and pest management evaluation of nitroguanidine-substituted neonicotinoid insecticides: nine major California commodities
- Balancing Bees and Pest Management: Projected Costs of Proposed Bee-Protective Neonicotinoid Regulation in California
1,3-Dichloropropene
- Economic and pest management evaluation of proposed 1,3-Dichloropropene regulation June 2022
- Addendum to the June 2022 Economic and pest management evaluation of proposed 1,3-Dichloropropene regulation
- CDFA memo: number of farms using 1,3-dichloropropene August 2022
- Second addendum to the June 2022 Economic and pest management evaluation of proposed 1,3-Dichloropropene regulation
- CDFA memo: number of farms using 1,3-dichloropropene April 2023
- 1,3-Dichloropropene occupational safety regulation economic impact report August 2024
- CDFA memo: acreage treated with non-TIF methods and estimated annual cost of adding TIF tarp August 2024
- CDFA memo: number of farms using 1,3-dichloropropene-updated August 2024
Chlorpyrifos
- Economic and Pest Management Evaluation of the Withdrawal of Chlorpyrifos: Six Major California Commodities
- Estimated Cost of the Withdrawal of the Insecticide Chlorpyrifos for Six Major California Crops
Chloropicrin
- Chloropicrin regulatory proposal report. Economic implications of a statewide chloropicrin ban on California agriculture
- Revised chloropicrin use requirements impact strawberry growers unequally
- Chloropicrin use requirements impact strawberry growers unequally
Dacthal
- Economic value of the herbicide dacthal for brassica and allium crops in California
- Economic and pest management evaluation of the herbicide dacthal in California agriculture
School sites
- Financial effect of limiting pesticide use near schools for almonds in nine counties depends on soils and weather
- Draft regulation regarding pesticide applications near schoolsites: Potential economic effects for agriculture
White Papers and Published Articles
- Preliminary analysis of rat damage in almonds, 2024
- Brief Literature Review: Selected Topics Regarding Sustainable Agriculture and Economic Incentives
- Cosmetic pesticide use: quantifying use and its policy implications in California, USA
- Balancing Bees and Pest Management: Projected Costs of Proposed Bee-Protective Neonicotinoid Regulation in California
- Food safety and sustainable agricultural practices: conflicts and their effects on policy and programs in California
- Proactive biological control: A cost-effective management option for invasive pests
- Economic value of the herbicide dacthal for brassica and allium crops in California
- Economic and pest management analysis of proposed pesticide regulations. In Managing and analyzing pesticide use data for pest management, environmental monitoring, public health and public policy
- Biological control in greenhouse and nursery production: Present status and future directions
- Evaluation of spray application methods for navel orangeworm control in almonds
- Chloropicrin use requirements impact strawberry growers unequally
- Classical biological control of invasive legacy crop pests: New technologies offer opportunities to revisit old pest problems in perennial tree crops
- Nonfumigant Strawberry Production Working Group Action Plan
- Biological controls investigated to aid management of olive fruit fly in California
- Propargite Critical use report (Sept. 2015). Economic evaluation of propargite critical uses in almond, corn and walnut
- Reactivity of volatile organic compounds under low NOx conditions
- Emulsifiable concentrate alternatives analysis
- Exotic terrestrial macro-invertebrate invaders in California from 1700 to 2015: An analysis of records
Organic Pest Management Reports
Publications Related to Opca Grant Programs
Proactive IPM Solutions
- Proactive biological control of spotted lantern fly, Lycorma delicatula (Hemiptera: Fulgoridae)
- Effects of freezing Lycorma delicatula egg masses on nymph emergence and parasitization by Anastatus orientalis
- Proactive classical biological control of Lycorma delicatula (Hemiptera: Fulgoridae) in California (U.S.): Host range testing of Anastatus orientalis (Hymenoptera: Eupelmidae)
- Description of a new genus of North and Central American planthoppers (Hemiptera: Fulgoridae) with fourteen new species
- Proactive biological control of spotted lanternfly: Parasitism and host feeding behavior of Anastatus orientalis (Hymenoptera: Eupelmidae) on Lycorma delicatula (Hemiptera: Fulgoridae) egg masses
- Proactive management of avocado seed and stem feeding weevils, Heilipus spp. (Coleoptera: Curculionidae: Molytinae)